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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> * contributor license agreements.  See the NOTICE file distributed with</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> * the License.  You may obtain a copy of the License at</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> * </em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *      <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * </em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a name="16" href="#16">16</a>  <em class="jxr_comment"> */</em>
<a name="17" href="#17">17</a>  
<a name="18" href="#18">18</a>  <em class="jxr_comment">//</em>
<a name="19" href="#19">19</a>  <em class="jxr_comment">// Log4j uses the JUnit framework for internal unit testing. JUnit</em>
<a name="20" href="#20">20</a>  <em class="jxr_comment">// available from</em>
<a name="21" href="#21">21</a>  <em class="jxr_comment">//</em>
<a name="22" href="#22">22</a>  <em class="jxr_comment">//     http://www.junit.org</em>
<a name="23" href="#23">23</a>  
<a name="24" href="#24">24</a>  
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">package</strong> org.apache.log4j.helpers;
<a name="26" href="#26">26</a>  
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.spi.LoggingEvent;
<a name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Level;
<a name="30" href="#30">30</a>  
<a name="31" href="#31">31</a>  
<a name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> junit.framework.TestCase;
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> junit.framework.TestSuite;
<a name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> junit.framework.Test;
<a name="35" href="#35">35</a>  
<a name="36" href="#36">36</a>  
<a name="37" href="#37">37</a>  
<a name="38" href="#38">38</a>  
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment">/**</em>
<a name="40" href="#40">40</a>  <em class="jxr_javadoccomment">   Unit test the {@link BoundedFIFO}.</em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment">   @author Ceki G&amp;uuml;lc&amp;uuml;</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment">   @since 0.9.1 */</em>
<a name="43" href="#43">43</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/log4j/helpers/BoundedFIFOTestCase.html">BoundedFIFOTestCase</a> <strong class="jxr_keyword">extends</strong> TestCase {
<a name="44" href="#44">44</a>    <strong class="jxr_keyword">static</strong> Logger cat = Logger.getLogger(<span class="jxr_string">"x"</span>);
<a name="45" href="#45">45</a>  
<a name="46" href="#46">46</a>    <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> MAX = 1000;  
<a name="47" href="#47">47</a>  
<a name="48" href="#48">48</a>    <strong class="jxr_keyword">static</strong> LoggingEvent[] e = <strong class="jxr_keyword">new</strong> LoggingEvent[MAX];
<a name="49" href="#49">49</a>  
<a name="50" href="#50">50</a>    {
<a name="51" href="#51">51</a>      <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; MAX; i++) {
<a name="52" href="#52">52</a>        e[i] =  <strong class="jxr_keyword">new</strong> LoggingEvent(<span class="jxr_string">""</span>, cat, Level.DEBUG, <span class="jxr_string">"e"</span>+i, <strong class="jxr_keyword">null</strong>);
<a name="53" href="#53">53</a>      }
<a name="54" href="#54">54</a>    }
<a name="55" href="#55">55</a>  
<a name="56" href="#56">56</a>  
<a name="57" href="#57">57</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/helpers/BoundedFIFOTestCase.html">BoundedFIFOTestCase</a>(String name) {
<a name="58" href="#58">58</a>      <strong class="jxr_keyword">super</strong>(name);
<a name="59" href="#59">59</a>    }
<a name="60" href="#60">60</a>  
<a name="61" href="#61">61</a>  
<a name="62" href="#62">62</a>    <strong class="jxr_keyword">public</strong>
<a name="63" href="#63">63</a>    <strong class="jxr_keyword">void</strong> setUp() {
<a name="64" href="#64">64</a>  
<a name="65" href="#65">65</a>    }
<a name="66" href="#66">66</a>  
<a name="67" href="#67">67</a>  
<a name="68" href="#68">68</a>    <em class="jxr_javadoccomment">/**</em>
<a name="69" href="#69">69</a>  <em class="jxr_javadoccomment">     Pattern: +++++..-----..</em>
<a name="70" href="#70">70</a>  <em class="jxr_javadoccomment">   */</em>
<a name="71" href="#71">71</a>    <strong class="jxr_keyword">public</strong>
<a name="72" href="#72">72</a>    <strong class="jxr_keyword">void</strong> test1() {
<a name="73" href="#73">73</a>      <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> size = 1; size &lt;= 128; size *=2) {
<a name="74" href="#74">74</a>        BoundedFIFO bf = <strong class="jxr_keyword">new</strong> BoundedFIFO(size);
<a name="75" href="#75">75</a>      
<a name="76" href="#76">76</a>        assertEquals(bf.getMaxSize(), size);
<a name="77" href="#77">77</a>        assertNull(bf.get());
<a name="78" href="#78">78</a>        
<a name="79" href="#79">79</a>        <strong class="jxr_keyword">int</strong> i;
<a name="80" href="#80">80</a>        <strong class="jxr_keyword">int</strong> j;
<a name="81" href="#81">81</a>        <strong class="jxr_keyword">int</strong> k;
<a name="82" href="#82">82</a>  
<a name="83" href="#83">83</a>        <strong class="jxr_keyword">for</strong>(i = 1; i &lt; 2*size; i++) {      
<a name="84" href="#84">84</a>  	<strong class="jxr_keyword">for</strong>(j = 0; j &lt; i; j++) {
<a name="85" href="#85">85</a>  	  <em class="jxr_comment">//System.out.println("Putting "+e[j]);</em>
<a name="86" href="#86">86</a>  	  bf.put(e[j]); assertEquals(bf.length(), j &lt; size ?  j+1 : size);
<a name="87" href="#87">87</a>  	}
<a name="88" href="#88">88</a>  	<strong class="jxr_keyword">int</strong> max = size &lt; j ? size : j;
<a name="89" href="#89">89</a>  	j--;
<a name="90" href="#90">90</a>  	<strong class="jxr_keyword">for</strong>(k = 0; k &lt;= j; k++) {	  
<a name="91" href="#91">91</a>  	  <em class="jxr_comment">//System.out.println("max="+max+", j="+j+", k="+k);</em>
<a name="92" href="#92">92</a>  	  assertEquals(bf.length(), max - k &gt; 0 ? max - k : 0); 
<a name="93" href="#93">93</a>  	  Object r = bf.get();
<a name="94" href="#94">94</a>  	  <em class="jxr_comment">//System.out.println("Got "+r);</em>
<a name="95" href="#95">95</a>  	  <strong class="jxr_keyword">if</strong>(k &gt;= size) 
<a name="96" href="#96">96</a>  	    assertNull(r);
<a name="97" href="#97">97</a>  	  <strong class="jxr_keyword">else</strong> 
<a name="98" href="#98">98</a>  	    assertEquals(r, e[k]);
<a name="99" href="#99">99</a>  	}
<a name="100" href="#100">100</a>       }
<a name="101" href="#101">101</a>       <em class="jxr_comment">//System.out.println("Passed size="+size);</em>
<a name="102" href="#102">102</a>     }
<a name="103" href="#103">103</a>   }
<a name="104" href="#104">104</a> 
<a name="105" href="#105">105</a> 
<a name="106" href="#106">106</a>   <em class="jxr_javadoccomment">/**</em>
<a name="107" href="#107">107</a> <em class="jxr_javadoccomment">     Pattern: ++++--++--++</em>
<a name="108" href="#108">108</a> <em class="jxr_javadoccomment">   */</em>
<a name="109" href="#109">109</a>   <strong class="jxr_keyword">public</strong>
<a name="110" href="#110">110</a>   <strong class="jxr_keyword">void</strong> test2() {
<a name="111" href="#111">111</a>     <strong class="jxr_keyword">int</strong> size = 3;
<a name="112" href="#112">112</a>     BoundedFIFO bf = <strong class="jxr_keyword">new</strong> BoundedFIFO(size);
<a name="113" href="#113">113</a>     
<a name="114" href="#114">114</a>     bf.put(e[0]);	
<a name="115" href="#115">115</a>     assertEquals(bf.get(), e[0]);
<a name="116" href="#116">116</a>     assertNull(bf.get());
<a name="117" href="#117">117</a> 
<a name="118" href="#118">118</a>     bf.put(e[1]); assertEquals(bf.length(), 1);
<a name="119" href="#119">119</a>     bf.put(e[2]); assertEquals(bf.length(), 2);
<a name="120" href="#120">120</a>     bf.put(e[3]); assertEquals(bf.length(), 3);
<a name="121" href="#121">121</a>     assertEquals(bf.get(), e[1]); assertEquals(bf.length(), 2);
<a name="122" href="#122">122</a>     assertEquals(bf.get(), e[2]); assertEquals(bf.length(), 1);
<a name="123" href="#123">123</a>     assertEquals(bf.get(), e[3]); assertEquals(bf.length(), 0);
<a name="124" href="#124">124</a>     assertNull(bf.get()); assertEquals(bf.length(), 0);
<a name="125" href="#125">125</a>   }
<a name="126" href="#126">126</a> 
<a name="127" href="#127">127</a>   <strong class="jxr_keyword">int</strong> min(<strong class="jxr_keyword">int</strong> a, <strong class="jxr_keyword">int</strong> b) {
<a name="128" href="#128">128</a>     <strong class="jxr_keyword">return</strong> a &lt; b ? a : b;
<a name="129" href="#129">129</a>   }
<a name="130" href="#130">130</a>   
<a name="131" href="#131">131</a> 
<a name="132" href="#132">132</a>   <em class="jxr_javadoccomment">/**</em>
<a name="133" href="#133">133</a> <em class="jxr_javadoccomment">     Pattern ++++++++++++++++++++ (insert only);</em>
<a name="134" href="#134">134</a> <em class="jxr_javadoccomment">   */</em>
<a name="135" href="#135">135</a>   <strong class="jxr_keyword">public</strong>
<a name="136" href="#136">136</a>   <strong class="jxr_keyword">void</strong> testResize1() {
<a name="137" href="#137">137</a>     <strong class="jxr_keyword">int</strong> size = 10;
<a name="138" href="#138">138</a> 
<a name="139" href="#139">139</a>     <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> n = 1; n &lt; size*2; n++) {
<a name="140" href="#140">140</a>       <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> i = 0; i &lt; size*2; i++) {
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a>         BoundedFIFO bf = <strong class="jxr_keyword">new</strong> BoundedFIFO(size);
<a name="143" href="#143">143</a>         <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> f = 0; f &lt; i; f++) {
<a name="144" href="#144">144</a>           bf.put(e[f]);
<a name="145" href="#145">145</a>         }
<a name="146" href="#146">146</a> 
<a name="147" href="#147">147</a>         bf.resize(n);
<a name="148" href="#148">148</a>         <strong class="jxr_keyword">int</strong> expectedSize = min(n, min(i, size));
<a name="149" href="#149">149</a>         assertEquals(bf.length(), expectedSize);
<a name="150" href="#150">150</a>         <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> c = 0; c &lt; expectedSize; c++) {
<a name="151" href="#151">151</a>           assertEquals(bf.get(), e[c]);
<a name="152" href="#152">152</a>         }
<a name="153" href="#153">153</a>       }
<a name="154" href="#154">154</a>     }
<a name="155" href="#155">155</a>   }
<a name="156" href="#156">156</a> 
<a name="157" href="#157">157</a> 
<a name="158" href="#158">158</a>   
<a name="159" href="#159">159</a>   <em class="jxr_javadoccomment">/**</em>
<a name="160" href="#160">160</a> <em class="jxr_javadoccomment">     Pattern ++...+ --...-</em>
<a name="161" href="#161">161</a> <em class="jxr_javadoccomment">   */</em>
<a name="162" href="#162">162</a>   <strong class="jxr_keyword">public</strong>
<a name="163" href="#163">163</a>   <strong class="jxr_keyword">void</strong> testResize2() {
<a name="164" href="#164">164</a>     <strong class="jxr_keyword">int</strong> size = 10;
<a name="165" href="#165">165</a> 
<a name="166" href="#166">166</a>     <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> n = 1; n &lt; size*2; n++) {
<a name="167" href="#167">167</a>       <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> i = 0; i &lt; size*2; i++) {
<a name="168" href="#168">168</a> 	<strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> d = 0; d &lt; min(i,size); d++) {
<a name="169" href="#169">169</a> 	  
<a name="170" href="#170">170</a> 	  BoundedFIFO bf = <strong class="jxr_keyword">new</strong> BoundedFIFO(size);
<a name="171" href="#171">171</a> 	  <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> p = 0; p &lt; i; p++) {
<a name="172" href="#172">172</a> 	    bf.put(e[p]);
<a name="173" href="#173">173</a> 	  }
<a name="174" href="#174">174</a> 
<a name="175" href="#175">175</a> 	  <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> g = 0; g &lt; d; g++) {
<a name="176" href="#176">176</a> 	    bf.get();
<a name="177" href="#177">177</a> 	  }
<a name="178" href="#178">178</a> 
<a name="179" href="#179">179</a> 	  <em class="jxr_comment">// x = the number of elems in </em>
<a name="180" href="#180">180</a> 	  <strong class="jxr_keyword">int</strong> x = bf.length();
<a name="181" href="#181">181</a> 
<a name="182" href="#182">182</a> 	  bf.resize(n);
<a name="183" href="#183">183</a> 
<a name="184" href="#184">184</a> 	  <strong class="jxr_keyword">int</strong> expectedSize = min(n, x);
<a name="185" href="#185">185</a> 	  assertEquals(bf.length(), expectedSize);
<a name="186" href="#186">186</a> 
<a name="187" href="#187">187</a> 	  <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> c = 0; c &lt; expectedSize; c++) {
<a name="188" href="#188">188</a> 	    assertEquals(bf.get(), e[c+d]);
<a name="189" href="#189">189</a> 	  }
<a name="190" href="#190">190</a> 	  assertNull(bf.get());
<a name="191" href="#191">191</a> 	}
<a name="192" href="#192">192</a>       }
<a name="193" href="#193">193</a>     }
<a name="194" href="#194">194</a>   }
<a name="195" href="#195">195</a> 
<a name="196" href="#196">196</a> 
<a name="197" href="#197">197</a>   <em class="jxr_javadoccomment">/**</em>
<a name="198" href="#198">198</a> <em class="jxr_javadoccomment">     Pattern: i inserts, d deletes, r inserts</em>
<a name="199" href="#199">199</a> <em class="jxr_javadoccomment">   */</em>
<a name="200" href="#200">200</a>   <strong class="jxr_keyword">public</strong>
<a name="201" href="#201">201</a>   <strong class="jxr_keyword">void</strong> testResize3() {
<a name="202" href="#202">202</a>     <strong class="jxr_keyword">int</strong> size = 10;
<a name="203" href="#203">203</a> 
<a name="204" href="#204">204</a>     <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> n = 1; n &lt; size*2; n++) {
<a name="205" href="#205">205</a>       <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> i = 0; i &lt; size; i++) {
<a name="206" href="#206">206</a> 	<strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> d = 0; d &lt; i; d++) {
<a name="207" href="#207">207</a> 	  <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> r = 0; r &lt; d; r++) {
<a name="208" href="#208">208</a> 	  
<a name="209" href="#209">209</a> 	    BoundedFIFO bf = <strong class="jxr_keyword">new</strong> BoundedFIFO(size);
<a name="210" href="#210">210</a> 	    <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> p0 = 0; p0 &lt; i; p0++)
<a name="211" href="#211">211</a> 	      bf.put(e[p0]);
<a name="212" href="#212">212</a> 
<a name="213" href="#213">213</a> 	    <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> g = 0; g &lt; d; g++) 
<a name="214" href="#214">214</a> 	      bf.get();	    
<a name="215" href="#215">215</a> 	    <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> p1 = 0; p1 &lt; r; p1++) 
<a name="216" href="#216">216</a> 	      bf.put(e[i+p1]);
<a name="217" href="#217">217</a> 	    
<a name="218" href="#218">218</a> 
<a name="219" href="#219">219</a> 	    
<a name="220" href="#220">220</a> 	    <strong class="jxr_keyword">int</strong> x =  bf.length();
<a name="221" href="#221">221</a> 
<a name="222" href="#222">222</a> 	    bf.resize(n);
<a name="223" href="#223">223</a> 	    
<a name="224" href="#224">224</a> 
<a name="225" href="#225">225</a> 	    <strong class="jxr_keyword">int</strong> expectedSize = min(n, x);
<a name="226" href="#226">226</a> 	    assertEquals(bf.length(), expectedSize);
<a name="227" href="#227">227</a> 
<a name="228" href="#228">228</a> 	    <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> c = 0; c &lt; expectedSize; c++) {
<a name="229" href="#229">229</a> 	      assertEquals(bf.get(), e[c+d]);
<a name="230" href="#230">230</a> 	    }
<a name="231" href="#231">231</a> 	    <em class="jxr_comment">//assertNull(bf.get());</em>
<a name="232" href="#232">232</a> 	  }
<a name="233" href="#233">233</a> 	}
<a name="234" href="#234">234</a>       }
<a name="235" href="#235">235</a>     }
<a name="236" href="#236">236</a>   }
<a name="237" href="#237">237</a> 
<a name="238" href="#238">238</a> 
<a name="239" href="#239">239</a>   <strong class="jxr_keyword">public</strong>
<a name="240" href="#240">240</a>   <strong class="jxr_keyword">static</strong>
<a name="241" href="#241">241</a>   Test suite() {
<a name="242" href="#242">242</a>     TestSuite suite = <strong class="jxr_keyword">new</strong> TestSuite();
<a name="243" href="#243">243</a>     suite.addTest(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/helpers/BoundedFIFOTestCase.html">BoundedFIFOTestCase</a>(<span class="jxr_string">"test1"</span>));
<a name="244" href="#244">244</a>     suite.addTest(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/helpers/BoundedFIFOTestCase.html">BoundedFIFOTestCase</a>(<span class="jxr_string">"test2"</span>));
<a name="245" href="#245">245</a>     suite.addTest(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/helpers/BoundedFIFOTestCase.html">BoundedFIFOTestCase</a>(<span class="jxr_string">"testResize1"</span>));
<a name="246" href="#246">246</a>     suite.addTest(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/helpers/BoundedFIFOTestCase.html">BoundedFIFOTestCase</a>(<span class="jxr_string">"testResize2"</span>));
<a name="247" href="#247">247</a>     suite.addTest(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/helpers/BoundedFIFOTestCase.html">BoundedFIFOTestCase</a>(<span class="jxr_string">"testResize3"</span>));
<a name="248" href="#248">248</a>     <strong class="jxr_keyword">return</strong> suite;
<a name="249" href="#249">249</a>   }
<a name="250" href="#250">250</a> }
</pre>
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